parsed_finite_element.h

Go to the documentation of this file.

//-----------------------------------------------------------
//
//    Copyright (C) 2015 by the deal2lkit authors
//
//    This file is part of the deal2lkit library.
//
//    The deal2lkit library is free software; you can use it, redistribute
//    it, and/or modify it under the terms of the GNU Lesser General
//    Public License as published by the Free Software Foundation; either
//    version 2.1 of the License, or (at your option) any later version.
//    The full text of the license can be found in the file LICENSE at
//    the top level of the deal2lkit distribution.
//
//-----------------------------------------------------------

#ifndef _d2k_parsed_finite_element_h
#define _d2k_parsed_finite_element_h

#include <deal2lkit/config.h>
#include <deal.II/base/parameter_handler.h>
#include <deal.II/dofs/dof_tools.h>
#include <deal.II/fe/fe.h>

#include <deal2lkit/parameter_acceptor.h>
#include <deal2lkit/utilities.h>

using namespace dealii;

D2K_NAMESPACE_OPEN

template <int dim, int spacedim=dim>
class ParsedFiniteElement : public ParameterAcceptor
{
public:
  ParsedFiniteElement (const std::string &name="",
                       const std::string &default_fe="FE_Q(1)",
                       const std::string &default_component_names="u",
                       const unsigned int n_components=0);

  virtual void declare_parameters(ParameterHandler &prm);

  FiniteElement<dim, spacedim> *operator() () const;

  virtual void parse_parameters_call_back();

  std::string get_component_names() const;

  std::vector<unsigned int> get_component_blocks() const;


  std::string get_block_names() const;

  unsigned int n_components() const;

  unsigned int n_blocks() const;

  unsigned int get_first_occurence(const std::string &var) const;

  bool is_vector(const std::string &var) const;

protected:
  const unsigned int _n_components;

  std::string fe_name;

  std::string default_component_names;

  std::vector<std::string> component_names;

  std::vector<unsigned int> component_blocks;


  std::vector<std::string> block_names;
};

D2K_NAMESPACE_CLOSE

#endif